.PS
scale=1
A: box filled dotted rad .1 thickness 2 "\fBSTART\fP" "(\fIor\fP\r^ STOP)";
arrow; D: box "box"; arrow ; ellipse "document"; arrow; ellipse "PostScript" dashed; arrow; box "\fIgtroff\fP\r^(1)"; arrow; 
B: box "\fBEND\fP";
up
arrow from A.t
circle filled 0.3 dotted; arrow; circle "circle" dotted; arrow; circle dashed thickness 2; arrow; circle; arrow; 
C: ellipse "ellipse" dotted
arrow from C.r to B.t "x\sp2\ep: A Long Long Long Long Long Long \fBArrow\fP, symbolizing x\sp2\ep" "FOOBAR goes here" aligned dotted
up; arc cw from D.t; arc; arc cw; arc; arc cw; arc ->; circle "\r!SI!" "\r!NO!"
right; 
D: circle at (4,4); right; line dotted; ellipse; spline dashed from D.t up then up then right then down then right; move; spline right then up; box dotted thickness 2
.PE
